/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {Injectable, Pipe, PipeTransform} from '@angular/core';

@Pipe({
  name: 'enumList'
})

@Injectable()
export class EnumListPipe implements PipeTransform {

  transform(enumClass, _args: string[]): any {
    const keys = [];
    for (const enumMember in enumClass) {
      if (enumMember && enumClass.hasOwnProperty(enumMember)) {
        keys.push(enumMember);
      }
    }
    return keys;
  }

}
